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Diffstat (limited to 'libstdc++-v3/include/bits/std_iosfwd.h')
-rw-r--r--libstdc++-v3/include/bits/std_iosfwd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/std_iosfwd.h b/libstdc++-v3/include/bits/std_iosfwd.h
index dc28c863606..9d5146c9eca 100644
--- a/libstdc++-v3/include/bits/std_iosfwd.h
+++ b/libstdc++-v3/include/bits/std_iosfwd.h
@@ -34,6 +34,8 @@
#ifndef _CPP_IOSFWD
#define _CPP_IOSFWD 1
+#pragma GCC system_header
+
#include <bits/c++config.h>
#include <bits/std_cwchar.h> // For mbstate_t
#include <bits/stringfwd.h> // For string forward declarations.
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